Alert archive / Tennessee / Knox County
Weather alerts in Knox County, Tennessee, 2026
139 weather alerts in 2026, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Knox County and its neighbors
Each county as a circle sized by its count in 2026. Tap one for its archive.
- Alerts
- 139
- Warnings
- 36
- Watches
- 14
- Advisories
- 49
- Busiest month
- August34 alerts
- Busiest day
- August 17, 202611 alerts
Over time
By month
The alerts
Every alert, in the order issued. Times are local, Eastern Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jan 21, 12:27 PM EST | Winter Storm Watch | MRX | 45 hr |
| Jan 23, 9:54 AM EST | Ice Storm Warning | MRX | 48 hr |
| Jan 24, 1:17 PM EST | Mesoscale Discussion | SPC | 5 hr |
| Jan 24, 6:45 PM EST | Mesoscale Discussion | SPC | 5 hr |
| Jan 24, 11:49 PM EST | Cold Weather Advisory | MRX | 34 hr |
| Jan 25, 12:01 PM EST | Cold Weather Advisory | MRX | 48 hr |
| Jan 25, 1:54 PM EST | Areal Flood Advisory | MRX | 3 hr |
| Jan 29, 2:50 AM EST | Winter Storm Watch | MRX | 10 hr |
| Jan 29, 12:50 PM EST | Winter Storm Warning | MRX | 57 hr |
| Jan 29, 1:00 PM EST | Cold Weather Advisory | MRX | 71 hr |
| Feb 2, 12:39 AM EST | Cold Weather Advisory | MRX | 8 hr |
| Feb 4, 4:01 AM EST | Dense Fog Advisory | MRX | 8 hr |
| Feb 20, 5:50 AM EST | Severe Thunderstorm Warning | MRX | 40 min |
| Feb 20, 5:54 AM EST | Severe Thunderstorm Warning | MRX | 38 min |
| Feb 26, 3:36 AM EST | Areal Flood Advisory | MRX | 5 hr |
| Mar 9, 3:05 AM EDT | Dense Fog Advisory | MRX | 7 hr |
| Mar 11, 5:31 PM EDT | Mesoscale Discussion | SPC | 119 min |
| Mar 11, 7:58 PM EDT | Special Weather Statement | MRX | 47 min |
| Mar 15, 2:17 PM EDT | Wind Advisory | MRX | 18 hr |
| Mar 16, 12:41 AM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Mar 16, 2:40 AM EDT | Severe Thunderstorm Warning | MRX | 65 min |
| Mar 16, 3:21 AM EDT | Severe Thunderstorm Warning | MRX | 54 min |
| Mar 16, 3:47 AM EDT | Severe Thunderstorm Warning | MRX | 58 min |
| Mar 16, 4:40 AM EDT | Severe Thunderstorm Warning | MRX | 35 min |
| Mar 21, 3:31 PM EDT | Mesoscale Discussion | SPC | 119 min |
| Mar 21, 4:21 PM EDT | Special Weather Statement | MRX | 24 min |
| Apr 4, 6:11 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Apr 26, 12:52 AM EDT | Dense Fog Advisory | MRX | 9 hr |
| May 20, 6:21 PM EDT | Special Weather Statement | MRX | 39 min |
| May 20, 6:43 PM EDT | Severe Thunderstorm Warning | MRX | 47 min |
| May 22, 3:06 PM EDT | Areal Flood Advisory | MRX | 3 hr |
| May 22, 5:44 PM EDT | Severe Thunderstorm Warning | MRX | 61 min |
| May 22, 6:31 PM EDT | Areal Flood Advisory | MRX | 119 min |
| May 24, 12:57 PM EDT | Flood Watch | MRX | 13 hr |
| May 24, 4:33 PM EDT | Areal Flood Advisory | MRX | 3 hr |
| May 24, 6:38 PM EDT | Areal Flood Advisory | MRX | 3 hr |
| May 24, 7:18 PM EDT | Special Weather Statement | MRX | 57 min |
| May 24, 8:30 PM EDT | Flash Flood Warning | MRX | 3 hr |
| May 24, 9:36 PM EDT | Areal Flood Advisory | MRX | 3 hr |
| May 24, 10:17 PM EDT | Areal Flood Advisory | MRX | 3 hr |
| May 25, 12:13 PM EDT | Flood Watch | MRX | 15 hr |
| May 29, 1:59 PM EDT | Flood Watch | MRX | 24 hr |
| May 30, 6:04 AM EDT | Areal Flood Advisory | MRX | 6 hr |
| May 30, 8:25 AM EDT | Areal Flood Advisory | MRX | 3 hr |
| Jun 7, 2:09 PM EDT | Flood Watch | MRX | 31 hr |
| Jun 8, 4:08 PM EDT | Flash Flood Warning | MRX | 3 hr |
| Jun 8, 5:19 PM EDT | Flash Flood Warning | MRX | 4 hr |
| Jun 8, 6:30 PM EDT | Flash Flood Warning | MRX | 4 hr |
| Jun 22, 3:37 PM EDT | Mesoscale Discussion | SPC | 113 min |
| Jun 22, 4:24 PM EDT | Special Weather Statement | MRX | 51 min |
| Jun 22, 11:52 PM EDT | Areal Flood Advisory | MRX | 3 hr |
| Jun 27, 9:44 AM EDT | Flood Watch | MRX | 28 hr |
| Jun 27, 12:09 PM EDT | Special Weather Statement | MRX | 51 min |
| Jun 28, 4:03 AM EDT | Flash Flood Warning | MRX | 3 hr |
| Jun 28, 6:54 AM EDT | Areal Flood Advisory | MRX | 2 hr |
| Jun 28, 9:08 AM EDT | Flash Flood Warning | MRX | 5 hr |
| Jun 28, 10:40 AM EDT | Special Weather Statement | MRX | 65 min |
| Jun 28, 11:19 AM EDT | Areal Flood Advisory | MRX | 3 hr |
| Jun 28, 1:40 PM EDT | Areal Flood Advisory | MRX | 2 hr |
| Jun 29, 1:34 PM EDT | Heat Advisory | MRX | 5 days |
| Jul 3, 10:20 PM EDT | Special Weather Statement | MRX | 25 min |
| Jul 5, 12:43 PM EDT | Severe Thunderstorm Warning | MRX | 47 min |
| Jul 5, 12:56 PM EDT | Severe Thunderstorm Warning | MRX | 49 min |
| Jul 5, 2:32 PM EDT | Areal Flood Advisory | MRX | 118 min |
| Jul 6, 5:18 PM EDT | Areal Flood Advisory | MRX | 117 min |
| Jul 6, 5:34 PM EDT | Special Weather Statement | MRX | 41 min |
| Jul 6, 6:05 PM EDT | Areal Flood Advisory | MRX | 115 min |
| Jul 9, 11:44 AM EDT | Flood Watch | MRX | 4 days |
| Jul 11, 6:43 AM EDT | Special Weather Statement | MRX | 47 min |
| Jul 12, 12:00 AM EDT | Flash Flood Warning | MRX | 3 hr |
| Jul 12, 7:53 PM EDT | Areal Flood Advisory | MRX | 84 min |
| Jul 12, 8:06 PM EDT | Special Weather Statement | MRX | 54 min |
| Jul 12, 8:18 PM EDT | Flash Flood Warning | MRX | 5 hr |
| Jul 12, 8:55 PM EDT | Areal Flood Advisory | MRX | 85 min |
| Jul 13, 1:06 PM EDT | Areal Flood Advisory | MRX | 3 hr |
| Jul 13, 7:56 PM EDT | Areal Flood Advisory | MRX | 84 min |
| Jul 17, 3:31 PM EDT | Areal Flood Advisory | MRX | 19 min |
| Jul 17, 3:50 PM EDT | Flash Flood Warning | MRX | 97 min |
| Jul 19, 3:11 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 21, 1:45 PM EDT | Flood Watch | MRX | 54 hr |
| Jul 22, 12:07 PM EDT | Areal Flood Advisory | MRX | 3 hr |
| Jul 22, 12:46 PM EDT | Areal Flood Advisory | MRX | 119 min |
| Jul 22, 5:37 PM EDT | Areal Flood Advisory | MRX | 3 hr |
| Jul 27, 2:21 AM EDT | Special Weather Statement | MRX | 39 min |
| Jul 28, 12:14 AM EDT | Mesoscale Discussion | SPC | 91 min |
| Jul 28, 12:33 PM EDT | Mesoscale Discussion | SPC | 117 min |
| Jul 28, 1:14 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
| Jul 28, 3:39 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 28, 5:45 PM EDT | Special Weather Statement | MRX | 45 min |
| Aug 4, 4:57 PM EDT | Special Weather Statement | MRX | 48 min |
| Aug 9, 4:58 PM EDT | Areal Flood Advisory | MRX | 2 hr |
| Aug 10, 4:11 AM EDT | Dense Fog Advisory | MRX | 6 hr |
| Aug 11, 5:53 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 11, 7:06 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
| Aug 11, 8:12 PM EDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 11, 9:17 PM EDT | Special Weather Statement | MRX | 28 min |
| Aug 11, 9:34 PM EDT | Special Weather Statement | MRX | 26 min |
| Aug 11, 9:38 PM EDT | Areal Flood Advisory | MRX | 22 min |
| Aug 11, 10:00 PM EDT | Flash Flood Warning | MRX | 2 hr |
| Aug 11, 10:15 PM EDT | Areal Flood Advisory | MRX | 2 hr |
| Aug 11, 10:30 PM EDT | Flash Flood Warning | MRX | 4 hr |
| Aug 11, 10:51 PM EDT | Areal Flood Advisory | MRX | 114 min |
| Aug 11, 11:34 PM EDT | Flash Flood Warning | MRX | 3 hr |
| Aug 12, 2:38 AM EDT | Flood Watch | MRX | 29 hr |
| Aug 13, 4:54 PM EDT | Special Weather Statement | MRX | 51 min |
| Aug 14, 12:11 PM EDT | Heat Advisory | MRX | 3 days |
| Aug 14, 1:49 PM EDT | Severe Thunderstorm Warning | MRX | 41 min |
| Aug 15, 1:25 PM EDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 15, 2:00 PM EDT | Special Weather Statement | MRX | 45 min |
| Aug 17, 1:49 PM EDT | Mesoscale Discussion | SPC | 116 min |
| Aug 17, 2:35 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
| Aug 17, 3:50 PM EDT | Severe Thunderstorm Warning | MRX | 40 min |
| Aug 17, 4:07 PM EDT | Severe Thunderstorm Warning | MRX | 53 min |
| Aug 17, 4:27 PM EDT | Severe Thunderstorm Warning | MRX | 48 min |
| Aug 17, 4:30 PM EDT | Areal Flood Advisory | MRX | 3 hr |
| Aug 17, 4:33 PM EDT | Severe Thunderstorm Warning | MRX | 57 min |
| Aug 17, 5:18 PM EDT | Flash Flood Warning | MRX | 3 hr |
| Aug 17, 5:29 PM EDT | Special Weather Statement | MRX | 31 min |
| Aug 17, 5:54 PM EDT | Areal Flood Advisory | MRX | 3 hr |
| Aug 17, 6:11 PM EDT | Areal Flood Advisory | MRX | 3 hr |
| Aug 20, 10:00 PM EDT | Severe Thunderstorm Warning | MRX | 15 min |
| Aug 21, 4:01 AM EDT | Special Weather Statement | MRX | 44 min |
| Aug 22, 7:37 PM EDT | Mesoscale Discussion | SPC | 83 min |
| Sep 2, 12:32 AM EDT | Heat Advisory | MRX | 4 days |
| Sep 2, 1:58 PM EDT | Heat Advisory | MRX | 3 days |
| Sep 5, 12:58 PM EDT | Special Weather Statement | MRX | 47 min |
| Sep 5, 1:03 PM EDT | Severe Thunderstorm Warning | MRX | 57 min |
| Sep 5, 8:14 PM EDT | Severe Thunderstorm Warning | MRX | 23 min |
| Sep 13, 3:38 AM EDT | Dense Fog Advisory | MRX | 5 hr |
| Sep 20, 5:41 PM EDT | Special Weather Statement | MRX | 49 min |
| Sep 20, 6:26 PM EDT | Special Weather Statement | MRX | 49 min |
| Sep 22, 6:07 AM EDT | Areal Flood Advisory | MRX | 53 min |
| Sep 23, 6:00 PM EDT | Areal Flood Advisory | MRX | 3 hr |
| Sep 23, 6:16 PM EDT | Special Weather Statement | MRX | 44 min |
| Sep 23, 6:29 PM EDT | Flash Flood Warning | MRX | 3 hr |
| Sep 23, 7:55 PM EDT | Areal Flood Advisory | MRX | 50 min |
| Sep 23, 8:17 PM EDT | Special Weather Statement | MRX | 43 min |
| Sep 23, 8:45 PM EDT | Flash Flood Warning | MRX | 2 hr |
| Sep 23, 9:03 PM EDT | Flash Flood Warning | MRX | 3 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Severe Thunderstorm Warning | 18 |
| Severe Thunderstorm Watch | 4 |
| Mesoscale Discussion | 15 |
| Special Weather Statement | 25 |
| Flooding | |
| Flash Flood Warning | 16 |
| Flood Watch | 8 |
| Areal Flood Advisory | 35 |
| Winter | |
| Ice Storm Warning | 1 |
| Winter Storm Warning | 1 |
| Winter Storm Watch | 2 |
| Heat | |
| Heat Advisory | 4 |
| Cold | |
| Cold Weather Advisory | 4 |
| Wind and dust | |
| Wind Advisory | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 5 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive2025
Sources
National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.